Two LED lights on the front panel, one for working status, one for ozone indicator.Safety switch on the back, air purifier automatically off when take out back cover.

Product Description:6 Stages of air purification processMultiple air intake vents effective in purification coverage.Large flow rate rapidly purifies indoor air.High-performance HEPA filter services last no less than one year.Effective filtration of particulates as small as 0.1~0.3 micron.Excellent dust collection rate of up to 99.97%.Effectively remove dust, odors and smoke.UV germicidal and TiO2 technology to suppress growth of micro-organisms.